Warranty & Indemnity Underwriter/MGAs/Insurers

There are a number of insurance providers within the W&I market. These firms are often called insurers but, due to the complex world of insurance capacity, few firms actually self-insure and many are actually managing general agents (MGAs) on behalf of other insuers.

Name Description
AIG AIG may have been in the W&I insurance market the longest out of any firm. AIG, the insurance giant, self-insures all policies. Due to its size and internal resourcing programs such as its graduate scheme, AIG is often responsible for introducing new people into the W&I market. Indeed a lot of the experienced professionals in other firms originally started in W&I at AIG.
Liberty GTS Originally known as Ironshore, Liberty is an established player in the transactional liabilty market. Liberty have underwriters across the globle which often enables them to underwrite policies in jurisdictions others can't. Liberty also has a large line size allowing them to offer very large insurance limits which can be especially useful for larger transactions.
Euclid Transactional Euclid's MGA originated in New York after being founded by Jay Rittberg in 2016. In 2018 Euclid entered the European market with renowned underwriters Kit Westropp, Carl Christian Rosio and Mark Storrie. Euclid continue to expand both globally and in terms of the amount of insurance limit and products they offer. Euclid is well known for having a large, deidcated claims team.
Mosaic Insurance Mosaic Insurance has an established reputation within traditional lines of insurance but has also been a player in the W&I insurance space since 2011 with Will Monat starting the transactional line in Chicago. Mosaic recently entered the European market with Sam Whiteman joining from Liberty to head up that side of the business.
Ryan Specialty Group RSG is a well established MGA in the W&I market after starting life in the UK under the name Hunter George. RSG is continuing to expand across Euorpe and continues to become a heavyweight player in the space.
Optio Risk Optio is a small but dynamic MGA based in the UK and headed up by industry vertern Alex Smith. Alex, who previously worked at AIG, is a forward thinker who harnesses new technologies to improve Optio's underwriting process and coverage positions.
Transact Transact is the transactional arm of the MGA Castel. Transact has been operating in London and the European market for a long time. Transact was founded by Sammy Shihab who has a far-reaching reputation as a market innovator. Rumoured to have underwritten the W&I market's first ever synthetic warranty insurance policy, Sammy is known for a commercial and forward thinking approach to W&I insurance.